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sveta [45]
3 years ago
6

Nancy lives in a state where sales tax is 9%. This means you can find the total cost of an item, including tax, by using the exp

ression c + 0.09c, where c is the pre-tax price of the item.
Use the expression to find the total cost of an item that has a pre-tax price of $84.00.

PLSS HELP!!!!
Mathematics
2 answers:
Serhud [2]3 years ago
4 0
The cost of the item before tax was 76.44.
Evgen [1.6K]3 years ago
3 0

Answer:

The cost of the item before tax was 76.44.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Sue's kayaking path is the hypotenuse of a right triangle.

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10.5^2+3.2^2=c^2

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and then because it said to round to the nearest tenth that would be 11.0 miles.

She's going at an average speed of 3.3 mph

that means it takes her about .3 hours to do 1 mile

so it would take her 3.3 hours to go 11 miles

marty is going at an average speed of 7 mph

so she takes 0.14 hours to go 1 mile

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3 years ago
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n200080 [17]
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2 years ago
A building 190 feet tall casts a 90 foot long shadow. if a person stands at the end of the shadow and looks up to the top of the
Ivahew [28]

Answer:

About 64.65 degrees

Step-by-step explanation:

\tan(x) =  \frac{190}{90}

x =  { \tan}^{ - 1}  \frac{190}{90}  = 64.65

Make sure your calculator is in degree mode.

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1 year ago
Referring to the figure, find the area of the
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Answer:

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